The following cases of infection, with the blood fluke, Schistosoma hæmatobium (bilharzia), occurring in routine stool examinations, would indicate that this parasite is not an uncommon one in the Canal Zone, particularly among the negro laborers from Martinique:
—Martinique negro; male. On Isthmus one month (Culebra). Admitted Dec. 2, 1905, with lobar pneumonia.Stool: Ova of bilharzia and uncinaria.Blood: On admission this was negative for malaria; nine days after crisis leucocytes were 9,500; hemoglobin, 40 per cent.Urine: During the height of fever there was a slight trace of albumin, with a few hyaline and granular casts. Albumin and casts disappeared before discharge. Sedimented specimens showed no blood or ova.There were no bladder symptoms.
—Martinique negro; male. On Isthmus one and one-half months (Panama). Admitted Dec. 10, 1905, with malaria and bronchitis.Stool: Ova of bilharzia and uncinaria; Tricomonas intestinalis.Urine: Negative; sedimented